Relay pole piece riveting die and device with same

By designing an adjustable forming block and stamping base structure for the relay electrode riveting mold, the problem of needing to change molds for different opening widths was solved, realizing an efficient automated production process and improving production efficiency.

CN121869952APending Publication Date: 2026-04-17DONGGUAN BOXIN PRECISE MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
DONGGUAN BOXIN PRECISE MASCH CO LTD
Filing Date
2026-02-09
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

In existing technology, different types of molds are needed to open different sizes of the lower end of the relay electrode, resulting in low production efficiency.

Method used

Design a relay electrode riveting mold, which adopts an adjustable forming block and stamping seat structure to adapt to different opening widths, and combines it with an automated device to realize the workpiece conveying and stamping process.

Benefits of technology

This improved the stamping efficiency of relay pole pieces, reduced the frequency of mold changes, and increased production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a relay pole piece riveting die and a device with the same, and belongs to the technical field of riveting machines, the relay pole piece riveting die comprises an upper die and a lower die, a mounting groove is formed in the top surface of the lower die, a stamping seat for placing a stamping part is arranged in the mounting groove, and forming blocks are arranged on the two sides of the stamping seat; the forming blocks are fixedly connected with the stamping base through bolts, and the opposite side faces of the two forming blocks are attached to the two side faces of the stamping base. The relay pole piece riveting die has the effect that the relay pole piece riveting die is suitable for punch forming of openings in the lower ends of different relay pole pieces.
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Description

Technical Field

[0001] This invention relates to the technical field of riveting machines, and in particular to a relay electrode riveting mold and a device incorporating the mold. Background Technology

[0002] A relay, also known as an electric relay, is an electronic control device that has both a control system and a controlled system. It is commonly used in automatic control circuits and essentially acts as an "automatic switch" that uses a smaller current to control a larger current. Therefore, it plays a role in automatic adjustment, safety protection, and circuit switching in circuits.

[0003] Relay electrodes are typically formed by stamping and riveting two parts. The shape of the relay electrode is U-shaped, with a smaller top and a larger bottom. When stamping and riveting relay electrodes of different sizes, the opening width at the bottom of the relay electrode is also different. When stamping and forming relay electrodes with different opening widths at the bottom, different types of molds need to be changed, thereby reducing the production efficiency of relay electrodes. Summary of the Invention

[0004] To address the issue of reduced relay electrode production efficiency caused by the need to change different types of molds when stamping relay electrodes with different opening widths at the lower end, this application provides a relay electrode riveting mold and an apparatus incorporating the mold.

[0005] The present application provides a relay electrode riveting mold and a device with the mold, which adopts the following technical solution: A relay electrode riveting mold includes an upper mold and a lower mold. The top surface of the lower mold has an installation groove, and a stamping seat for placing a stamped part is provided in the installation groove. Forming blocks are provided on both sides of the stamping seat. The forming blocks are fixedly connected to the stamping seat by bolts, and the opposite sides of the two forming blocks are in contact with the two sides of the stamping seat.

[0006] By adopting the above technical solution, the forming blocks are fixed to both sides of the stamping base with bolts. When a larger opening is required at the bottom of the workpiece to be stamped, a cutting edge is inserted between the forming blocks and the stamping die to increase the distance between the two sides of the forming blocks that are far apart from each other. This makes it easier to place the workpiece on the stamping base. When the upper die presses the workpiece downwards, the two forming blocks expand the opening at the bottom of the workpiece. This allows the relay electrode riveting die to adapt to the stamping forming of different sizes of the lower opening of relay electrodes, thereby improving the stamping efficiency of the workpiece.

[0007] Preferably, the top surface of the stamping base is provided with a workpiece groove.

[0008] By adopting the above technical solution, a workpiece groove is opened on the top surface of the stamping seat, and the workpiece is placed in the workpiece groove, thereby reducing the possibility of the workpiece falling off the stamping seat.

[0009] An apparatus with a relay electrode riveting mold includes a worktable, a turntable on the top surface of the worktable, a lower mold mounted on the turntable, a motor inside the worktable, the top end of the motor output shaft fixed to the bottom surface of the turntable, a mounting frame on the top surface of the worktable, a cylinder on the top surface of the mounting frame, the bottom end of the piston rod of the cylinder passing through the inner top surface of the mounting frame, an upper mold fixed to the bottom end of the piston rod of the cylinder, and a feeding assembly one and a feeding assembly two for feeding the workpiece for relay electrode riveting onto the lower mold on the worktable.

[0010] By adopting the above technical solution, the lower die is fixed on the turntable, and the upper die is fixed on the bottom end of the piston rod of cylinder one. The feeding assembly transports the first workpiece to the lower die, and the feeding assembly two transports the second workpiece to the workpiece on the lower die. When the two workpieces are installed on the lower die, the motor is started. The output shaft of the motor drives the turntable to rotate, and the turntable drives the lower die to rotate, so that the lower die rotates to below the upper die. Then the cylinder is started, and the piston rod of the cylinder drives the upper die to move downward, so that the upper die punches the workpiece on the lower die.

[0011] Preferably, the feeding assembly includes a vibratory feeder mounted on the workbench. A conveyor line is provided on the top surface of the workbench, and the conveyor line is arranged opposite to the mounting frame. A conveyor track is provided on the outer circumference of the vibratory feeder. The conveyor line is provided on the top surface of the workbench. One end of the conveyor track away from the workbench is fixed to the end face of the conveyor line. A bracket is fixed on the top surface of the workbench. The bracket is located on one side of the conveyor line. A slide rail is fixed on the side of the bracket. A slide block is slidably mounted on the slide rail. A cylinder is fixed on the side of the slide block. A gripping block is fixed to the bottom end of the piston rod of the cylinder.

[0012] By adopting the above technical solution, the workpiece is placed in the vibratory feeder, the vibratory feeder is started, the workpiece in the vibratory feeder is transported to the conveyor track, the workpiece in the conveyor track is transported to the conveyor line, then the second cylinder is started, the piston rod of the second cylinder drives the gripping block to move downward, so that the gripping block grabs the workpiece, then the first slide moves towards the lower die, so that the first slide moves the second cylinder, the second cylinder moves the gripping block, so that the gripping block moves the workpiece into the workpiece groove on the stamping seat.

[0013] Preferably, the bottom surface of the gripping block has a slot.

[0014] By adopting the above technical solution, the piston rod of cylinder two drives the gripping block to move downward, and the workpiece on the conveyor line is stuck in the slot, which makes it easier for the gripping block to move the workpiece when it moves.

[0015] Preferably, the top surface of the workbench is provided with a mounting block, and the second feeding assembly includes a conveying chamber for conveying workpieces, which is disposed on the top surface of the mounting block. A positioning strip for placing workpieces is fixed inside the conveying chamber. The end of the conveying chamber near the lower mold is located above the lower mold. The bottom surface of the conveying chamber near the lower mold has an outlet for workpieces to pass through. A fixing frame is fixed on the top surface of the conveying chamber, and a cylinder is fixed on the top surface of the fixing frame. A pressure block is fixed at the bottom end of the piston rod of the cylinder. The pressure block can push the workpiece out of the outlet. A pushing component for pushing the workpiece forward is provided on the conveying chamber.

[0016] By adopting the above technical solution, another stamped workpiece is placed on the positioning bar in the conveying chamber, and the pusher pushes the workpiece forward. When the workpiece at the front end moves to the discharge port, the turntable drives the lower die containing the workpiece in the workpiece slot to move to the bottom of the conveying chamber. The workpiece slot is aligned with the discharge port, and cylinder three is activated. The piston rod of cylinder three drives the pressure block to move downward. The pressure block pushes the workpiece downward, so that the workpiece is stuck on the workpiece in the workpiece slot, thereby completing the assembly of the two stamped workpieces.

[0017] Preferably, the top surface of the positioning strip has a groove, the pushing member includes a telescopic rod fixed to the inner wall of the groove away from the lower mold, the positioning strip is provided with a pushing block, the end face of the telescopic rod is fixed with a connecting block, the top end of the connecting block is fixed to the inner top surface of the pushing block, and a driving member for driving the connecting block to move forward is provided in the groove.

[0018] By adopting the above technical solution, multiple workpieces are placed on the positioning bar, the driving component drives the connecting block to move downward, and the connecting block drives the pushing block to move forward, so that the pushing block presses the multiple workpieces against the conveying chamber.

[0019] Preferably, the driving component includes a spring disposed around the telescopic rod, one end of the spring being fixed to the inner wall of the groove, and the other end of the spring being fixed to the side of the connecting block.

[0020] By adopting the above technical solution, when the workpiece is clamped on the positioning bar, the connecting block moves forward under the elastic force of the spring, thereby causing the connecting block to drive the pushing block to move forward.

[0021] Preferably, a support frame is fixed on the top surface of the workbench, the support frame is arranged opposite to the mounting block, a slide rail is fixed on the side of the support frame, a slide block is slidably arranged on the slide rail, a cylinder is fixed on the side of the slide block, and a pneumatic clamp is fixed at the bottom end of the piston rod of the cylinder.

[0022] By adopting the above technical solution, after the relay electrode is stamped, the motor is started. The output shaft of the motor drives the turntable to rotate, and the turntable drives the lower die to rotate. The lower die drives the stamped relay electrode to rotate below the pneumatic clamp. Then, cylinder four is started. The piston rod of cylinder four drives the pneumatic clamp to move downward, so that the pneumatic clamp can pick up the stamped relay electrode on the workpiece seat.

[0023] In summary, this application includes at least one of the following beneficial technical effects: 1. Fix the lower die on the turntable and the upper die on the bottom of the piston rod of cylinder one. The feeding assembly transports the first workpiece to the lower die, and the feeding assembly two transports the second workpiece to the workpiece on the lower die. When the two workpieces are installed on the lower die, start the motor. The output shaft of the motor drives the turntable to rotate, and the turntable drives the lower die to rotate, so that the lower die rotates to below the upper die. Then start the cylinder. The piston rod of the cylinder drives the upper die to move downward, so that the upper die punches the workpiece on the lower die. 2. Fix the lower die on the turntable and the upper die on the bottom of the piston rod of the cylinder. When the two workpieces are installed on the lower die, start the motor. The output shaft of the motor drives the turntable to rotate, and the turntable drives the lower die to rotate, so that the lower die rotates to the bottom of the upper die. Then start the cylinder. The piston rod of the cylinder drives the upper die to move downward, so that the upper die punches the workpiece on the lower die. 3. By placing the workpiece in the vibratory feeder and starting the vibratory feeder, the workpiece in the vibratory feeder is transported to the conveyor track, and the workpiece in the conveyor track is transported to the conveyor line. Then, cylinder two is started, and the piston rod of cylinder two drives the gripping block to move downward, so that the gripping block grabs the workpiece. Then, slide one moves towards the lower die, so that slide one drives cylinder two to move, and cylinder two drives the gripping block to move, so that the gripping block carries the workpiece to the workpiece slot on the stamping seat. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of the relay electrode riveting mold in the embodiments of this application.

[0025] Figure 2 This is a schematic diagram of the lower mold in an embodiment of this application.

[0026] Figure 3 This is a schematic diagram of the overall structure of the device with a relay electrode riveting mold in the embodiments of this application.

[0027] Figure 4 This is a cross-sectional view of the workbench in an embodiment of this application.

[0028] Figure 5 This is a schematic diagram of the conveyor line in an embodiment of this application.

[0029] Figure 6This is a cross-sectional view of the conveying chamber in an embodiment of this application.

[0030] Figure 7 yes Figure 6 Enlarged diagram of point A in the middle.

[0031] Reference numerals: 1. Upper die; 11. Lower die; 12. Mounting slot; 13. Stamping seat; 14. Workpiece slot; 15. Forming block; 2. Worktable; 21. Turntable; 22. Sink; 23. Motor; 24. Mounting frame; 25. Cylinder 1; 3. Vibratory plate; 31. Conveying track; 32. Conveying line; 33. Support; 34. Slide rail 1; 35. Slide seat 1; 36. Cylinder 2; 37. Gripping block; 38. Slot; 4. Mounting block; 41. Conveying bin; 42. Positioning strip; 43. Groove; 44. Telescopic rod; 45. Spring; 46. Pushing block; 47. Connecting block; 48. Discharge port; 5. Fixing frame; 51. Cylinder 3; 52. Pressing block; 6. Support frame; 61. Slide rail 2; 62. Slide seat 2; 63. Cylinder 4; 64. Pneumatic clamp; 65. Receiving box. Detailed Implementation

[0032] The following is in conjunction with the appendix Figure 1-7 This application will be described in further detail.

[0033] This application discloses a relay electrode riveting mold and a device incorporating the mold.

[0034] Reference Figure 1 A relay electrode riveting mold includes an upper mold 1 and a lower mold 11. The top surface of the lower mold 11 has a mounting groove 12, and a stamping seat 13 for placing a stamped part is disposed within the mounting groove 12. The stamping seat 13 is fixed to the mounting groove 12 by bolts. The top surface of the stamping seat 13 has a workpiece groove 14 for placing a workpiece. Forming blocks 15 are provided on both sides of the stamping seat 13, and the forming blocks 15 are fixedly connected to the stamping seat 13 by bolts. The opposite sides of the two forming blocks 15 are in contact with the two sides of the stamping seat 13.

[0035] The implementation principle of a relay electrode riveting mold in this application embodiment is as follows: the forming block 15 is fixed to both sides of the stamping base 13 by bolts. When a larger stamping opening is required at the lower end of the relay electrode, a cutting edge is inserted between the forming block 15 and the stamping die to increase the distance between the two forming blocks 15 and their opposite sides. This makes it easier to place the workpiece on the stamping base 13. When the upper die 1 presses the workpiece downward, the two forming blocks 15 expand the opening at the lower end of the relay electrode, thereby making the relay electrode riveting mold adaptable to stamping forming of different sizes of lower openings of relay electrodes.

[0036] Reference Figure 3 and Figure 4A device with a relay electrode riveting mold includes a worktable 2, a turntable 21 on the top surface of the worktable 2, lower molds 11 fixed to the turntable 21 by bolts, and four lower molds 11 fixed on the top surface of the turntable 21. A recess 22 is formed on the top surface of the worktable 2, and a motor 23 is fixed inside the recess 22. The top end of the output shaft of the motor 23 is fixed to the bottom surface of the turntable 21. A mounting bracket 24 is fixed on the top surface of the worktable 2, located on one side of the turntable 21. A cylinder 25 is provided on the top surface of the mounting bracket 24, the bottom end of the piston rod of the cylinder 25 passes through the inner top surface of the mounting bracket 24, and an upper mold 1 is fixed to the bottom end of the piston rod of the cylinder 25.

[0037] Reference Figure 3 and Figure 5 A vibratory feeder 3 is installed on the top surface of the workbench 2. A conveyor rail 31 is fixed on the outer periphery of the vibratory feeder 3. A conveyor line 32 is fixed on the top surface of the workbench 2. The conveyor line 32 is positioned opposite the mounting frame 24. The end of the conveyor line 32 closer to the mounting frame 24 is located on one side of the stamping seat 13. The end of the conveyor rail 31 away from the workbench 2 is fixed to the end face of the conveyor line 32. A bracket 33 is fixed on the top surface of the workbench 2. The bracket 33 is located on one side of the conveyor line 32. A slide rail 34 is fixed on the side of the bracket 33. A slide block 35 is slidably mounted on the slide rail 34. A cylinder 36 is fixed on the side of the slide block 35. A gripping block 37 is fixed to the bottom end of the piston rod of the cylinder 36. A slot 38 is opened on the bottom surface of the gripping block 37.

[0038] Reference Figure 4 , Figure 6 and Figure 7 A mounting block 4 is fixed to the top surface of the workbench 2. A conveying chamber 41 for conveying workpieces is fixed to the top surface of the mounting block 4. A positioning strip 42 for placing workpieces is fixed inside the conveying chamber 41. The conveying chamber 41 is located above the lower die 11. A discharge port 48 for workpieces to pass through is opened at the bottom end of the conveying chamber 41 near the lower die 11. A fixing frame 5 is fixed to the top end of the conveying chamber 41. A cylinder 3 51 is fixed to the top surface of the fixing frame 5. A pressure block 52 is fixed to the bottom end of the piston rod of the cylinder 3 51. The pressure block 52 can push the workpiece out of the discharge port 48 and make the workpiece stuck on the stamping seat 13. A groove 43 is opened on the top surface of the positioning strip 42. A telescopic rod 44 is fixed to the inner wall of the groove 43 away from the lower die 11. A pushing block 46 for pushing workpieces is stuck on the positioning strip 42. A connecting block 47 is fixed to the end face of the telescopic rod 44. The top end of the connecting block 47 is fixed to the inner top surface of the pushing block 46. A spring 45 is fitted around the telescopic rod 44. One end of the spring 45 is fixed to the inner wall of the groove 43, and the other end of the spring 45 is fixed to the side of the connecting block 47.

[0039] Reference Figure 3 and Figure 4A support frame 6 is fixed to the top surface of the workbench 2. The support frame 6 is positioned opposite to the mounting block 4. A slide rail 61 is fixed to the side of the support frame 6. A slide block 62 is slidably mounted on the slide rail 61. A cylinder 63 is fixed to the side of the slide block 62. A pneumatic clamp 64 for gripping the stamped relay electrode is fixed to the bottom end of the piston rod of the cylinder 63. A receiving box 65 is provided on one side of the workbench 2, located below the slide rail 61.

[0040] The implementation principle of the device with a relay electrode riveting mold in this application embodiment is as follows: The motor 23 is started, and the output shaft of the motor 23 drives the turntable 21 to rotate. The turntable 21 drives the lower mold 11 to rotate. When the lower mold 11 rotates to one side of the conveyor line 32, the workpiece in the vibratory plate 3 is conveyed to the conveyor line 32 through the conveyor track 31. Then, the cylinder 2 36 is started, and the piston rod of the cylinder 2 36 drives the gripping block 37 to move downward, so that the workpiece on the conveyor line 32 is stuck in the slot 38 on the bottom surface of the gripping block 37. Then, the slide block 35 is moved towards the direction close to the lower mold 11, so that the gripping block 37 drives the workpiece to move, so that the workpiece slides from the conveyor line 32 into the workpiece slot 14 on the stamping seat 13. Then, the output shaft of motor 23 drives turntable 21 to rotate, causing turntable 21 to move lower die 11, moving the stamping seat 13 with the workpiece in workpiece slot 14 to below conveyor bin 41. Then, cylinder 3 51 is activated, and the piston rod of cylinder 3 51 drives the pressure block 52 to move downward, causing the pressure block 52 to push the workpiece in conveyor bin 41 downward, so that the workpiece in conveyor bin 41 is stuck on the workpiece in workpiece slot 14. The output shaft of motor 23 continues to drive turntable 21 to rotate. When the lower die 11 on turntable 21 rotates to below mounting bracket 24, cylinder 1 25 is activated, and the piston rod of cylinder 1 25 drives upper die 1 to move downward, causing upper die 1 to stamp the two assembled workpieces on lower die 11, thereby completing the riveting of relay pole pieces. Next, the output shaft of motor 23 continues to drive turntable 21 to rotate, causing lower die 11 to rotate below pneumatic clamp 64. Then, cylinder 4 63 is activated, and the piston rod of cylinder 4 63 drives pneumatic clamp 64 to move downward, so that pneumatic clamp 64 can clamp the relay electrode that has been stamped on stamping seat 13. Then, slide 2 62 is moved away from lower die 11, so that pneumatic clamp 64 is moved above receiving box 65, so that pneumatic clamp 64 places relay electrode in receiving box 65.

[0041] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A relay pole piece riveting die characterized by: The device includes an upper die (1) and a lower die (11). The top surface of the lower die (11) is provided with a mounting groove (12). A stamping seat (13) for placing stamped parts is provided in the mounting groove (12). Forming blocks (15) are provided on both sides of the stamping seat (13). The forming blocks (15) are fixedly connected to the stamping seat (13) by bolts. The opposite sides of the two forming blocks (15) are in contact with the two sides of the stamping seat (13).

2. The relay pole piece riveting die according to claim 1, characterized in that: The top surface of the stamping base (13) is provided with a workpiece groove (14).

3. An apparatus with a relay lug riveting die according to any one of claims 1-2, characterized in that: The system includes a workbench (2), a turntable (21) on the top surface of the workbench (2), a lower mold (11) on the turntable (21), a motor (23) inside the workbench (2), the top end of the output shaft of the motor (23) fixed to the bottom surface of the turntable (21), a mounting frame (24) on the top surface of the workbench (2), a cylinder (25) on the top surface of the mounting frame (24), the bottom end of the piston rod of the cylinder (25) passing through the inner top surface of the mounting frame (24), an upper mold (1) fixed to the bottom end of the piston rod of the cylinder (25), and a feeding assembly one and a feeding assembly two for feeding the workpiece for relay electrode riveting onto the lower mold (11) on the workbench (2).

4. An apparatus having a relay pole piece riveting die as set forth in claim 3, characterized in that: The first feeding component includes a vibratory plate (3) disposed on the workbench (2). A conveyor line (32) is disposed on the top surface of the workbench (2). The conveyor line (32) is disposed opposite to the mounting frame (24). A conveyor track (31) is disposed on the outer peripheral surface of the vibratory plate (3). A conveyor line (32) is disposed on the top surface of the workbench (2). One end of the conveyor track (31) away from the workbench (2) is fixed to the end face of the conveyor line (32). A bracket (33) is fixed on the top surface of the workbench (2). The bracket (33) is located on one side of the conveyor line (32). A slide rail (34) is fixed on the side of the bracket (33). A slide block (35) is slidably disposed on the slide rail (34). A cylinder (36) is fixed on the side of the slide block (35). A gripping block (37) is fixed at the bottom end of the piston rod of the cylinder (36).

5. An apparatus having a relay pole piece riveting die as defined in claim 4, wherein: The bottom surface of the gripping block (37) is provided with a slot (38).

6. The device with a relay electrode riveting mold according to claim 5, characterized in that: The top surface of the workbench (2) is provided with an installation block (4). The second feeding component includes a conveying chamber (41) for conveying workpieces, which is provided on the top surface of the installation block (4). A positioning strip (42) for placing workpieces is fixed inside the conveying chamber (41). One end of the conveying chamber (41) near the lower mold (11) is located above the lower mold (11). The bottom surface of the conveying chamber (41) near the lower mold (11) is provided with a discharge port (48) for workpieces to pass through. A fixing frame (5) is fixed on the top surface of the conveying chamber (41). A cylinder (51) is fixed on the top surface of the fixing frame (5). A pressure block (52) is fixed at the bottom end of the piston rod of the cylinder (51). The pressure block (52) can push the workpiece out of the discharge port (48). A pusher for pushing the workpiece forward is provided on the conveying chamber (41).

7. The device with a relay electrode riveting mold according to claim 6, characterized in that: The top surface of the positioning strip (42) is provided with a groove (43). The pushing member includes a telescopic rod (44) fixed to the inner wall of the end of the groove (43) away from the lower mold (11). A pushing block (46) is provided on the positioning strip (42). A connecting block (47) is fixed to the end face of the telescopic rod (44). The top end of the connecting block (47) is fixed to the inner top surface of the pushing block (46). A driving member for driving the connecting block (47) to move forward is provided in the groove (43).

8. The device with a relay electrode riveting mold according to claim 7, characterized in that: The driving component includes a spring (45) disposed around the telescopic rod (44), one end of the spring (45) being fixed to the inner wall of the groove (43), and the other end of the spring (45) being fixed to the side of the connecting block (47).

9. The device with a relay electrode riveting mold according to claim 8, characterized in that: The top surface of the workbench (2) is fixed with a support frame (6), which is arranged opposite to the mounting block (4). The side of the support frame (6) is fixed with a slide rail (61), and a slide block (62) is slidably arranged on the slide rail (61). A cylinder (63) is fixed on the side of the slide block (62), and a pneumatic clamp (64) is fixed at the bottom end of the piston rod of the cylinder (63).